Wolfgang Hanefeld
11Patents
2h-index
9Co-inventors
43Inventor score
Filing activity: Oct 9, 1984 → May 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6399051B2 | Method and agents for permanently styling hair, with a base consisting of N,N-disubstituted mercaptoacetamides | Chemistry; Metallurgy | 7 | Expired |
| US4654339A | 3-amino-tetrahydro-1,3-thiazine-2,4-diones, utilization thereof and skin treating compositions containing said compounds | Human Necessities | 2 | Expired |
| US4746738A | Tetrahydro-1,3-thiazin-2,4-dione derivatives | Human Necessities | 1 | Expired |
| US6153178A | Agent and process for permanent hair wave based on mercaptoacetamides | Chemistry; Metallurgy | 1 | Expired |
| US6264932A | Agent and method for permanent shaping of hair and method for the production of N-alkylmercaptoacetamides | Chemistry; Metallurgy | 1 | Expired |
| US7341715B2 | Method and agents on the basis of 2-mercaptopropionic acid amides for durable hair forming and a method for producing same | Human Necessities | 1 | Expired |
| US5985253A | Hair shaping compositions containing mercaptoethylamines and methods for the permanent shaping of hair using same | Human Necessities | 0 | Expired |
| US4643997A | 3-carbamoyl- and 3-thiocarbamoyl-tetrahydro-1,3-thiazine-2-thiones and skin treating compositions containing the same | Human Necessities | 0 | Expired |
| US6162425A | Saturated, alkyl-substituted n-mercaptoacetyl heterocyclic compounds and compositions and methods for permanent shaping of hair based on same and processes for making same | Chemistry; Metallurgy | 0 | Expired |
| US6153180A | Agent and method for permanently shaping the hair, based on n-branched-chain alkyl-substituted mercapto acetamides and process for their preparation | Human Necessities | 0 | Expired |
| US4883652A | Tetrahydro-1,3,thiazine-2,4 diones, use thereof and skin treating compositions containing them | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.